| Name: | William Belleau |
| Birthday: | 15-Apr-1982 |
| Place of birth: | Williams Lake, British Columbia, Canada |
| Biography: | William Belleau (born April 15, 1982) is a Secwépemc Canadian actor known for his roles in films such as Killers in the Flower Moon (2023) and Eddington (2025), as well as the drama television series Frontier. |